.corpo {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  text-align: center;
  margin: 0;
}

table {
  margin: 0 auto;
  width: 350px;
  background-color: black;
  color: green;
}

thead {
  background-color: green;
  color: black;
}

tfoot {
  background-color: orange;
  color: white;
}

footer {
  background-color: #333;
  color: #fff;
  padding: 10px;
  position: fixed;
  bottom: 0;
  width: 100%;
}